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Книги Книги 1 - 10 з 23 у where the cord comes through the ceiling block or rosette, in order that the strain....
" where the cord comes through the ceiling block or rosette, in order that the strain may be taken from the joints and binding screws. All sockets used for wire or cord pendants should have openings at least equal to one-quarter inch "
Electric Lighting Specifications for the Use of Engineers and Architects - Сторінка 132
автори: Earle Abbott Merrill - 1892 - 176 стор.
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Convention

National Electric Light Association. Convention - 1892
...So suspended that the entire weight of the socket and lamp will be borne by knots, above the point where the cord comes through the ceiling block or...should have openings at least equal to onequarter inch gas-pipe size. 4. Allowed to sustain nothing heavier than a fourlight cluster, and in such a case special...
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket. and above the point where the cord comes through the ceiling block or...order that the strain may be taken from the joints ansi binding screws. (9) Must be equipped with keyiess sockets as far as practicable, and be controlled...
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 222 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches....
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through, the ceiling block or...strain may be taken from the joints and binding screws. g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches....
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...under the bushing in the socket, and above the point where the cord comes through the ceiling-block or rosette, in order that the strain may be taken from the joints and binding screws. g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches....
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1897 - 541 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches....
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Transactions of the American Society of Mechanical Engineers

American Society of Mechanical Engineers - 1898
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. 29. Aiso Liowrs ON LOW-POTENTIAL (JIBourraa. Must have a cut-out (see No. 17 a) for each lamp or each...
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Transactions, Том 14

American Institute of Electrical Engineers - 1898
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. 29. Arc Lights on Low-Potential Circuits.— a. Must have a cut-out (see No. 170) for each lamp or...
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A Textbook on Electric Lighting and Railways: International ..., Том 4

1901
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. 68. As there is much inferior lamp cord on the market, the specifications for lamp cord are given here....
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A textbook on electric lighting and railways: geometrical drawing ...

International Correspondence Schools - 1901
...lamp will be borne by knots under the bushing in the socket, and above the point where the cord conies through the ceiling block or rosette, in order that...strain may be taken from the joints and binding screws. <>H. As there is ni'ieh inferior lami) cord on the market, the specifications for lamp cord are given...
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